Hydraulic wrench



FIG. 1 is a front and left perspective view of a hydraulic wrench showing my new design;

FIG. 2 is an exploded front view and left perspective view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines illustrate portions of the hydraulic wrench that forms no part of the claimed design. 

CLAIM The ornamental design for a hydraulic wrench, as shown and described. 